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(11)

EP 2 462 127 A1

(12)

(43) Date of publication: 13.06.2012 Bulletin 2012/24 (21) Application number: 10749495.7 (22) Date of filing: 09.08.2010

(51) International Patent Classification (IPC):  C07D 249/12(2006.01) C07D 295/26(2006.01) C07D 487/04(2006.01) (86) International application number: PCT/IB2010/053594 (87) International publication number: WO 2011/016016 (10.02.2011 Gazette 2011/06)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 07.08.2009 IN DE16502009 (71) Applicant: Ranbaxy Laboratories Limited Delhi 110019 (IN)	(72) Inventors: MITTAL, Anu Kurukshetra Haryana 136131 (IN) KHANNA, Mahavir, Singh New Delhi Delhi 110051 (IN) THAPER, Rajesh, Kumar Jammu Jammu and Kashmir 180001 (IN) PRASAD, Mohan Gurgaon Haryana 122001 (IN) (74) Representative: Cronin, Brian Harold John  CRONIN Intellectual Property Chemin de Précossy 31 1260 Nyon 1260 Nyon (CH)